cogchina.com - robtex.com
cogchina.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785127217 | ||||||
Same first word
cogchina.com |
Similar names
DNS History
3 records (3 active, 0 former)
●NSns15.xincache.com2015-06-19 → 2026-07-27 · 2 obs
● 2026-07-27 05:08:32
●NSns16.xincache.com2015-06-19 → 2026-07-27 · 2 obs
● 2026-07-27 05:08:32
●MXmx.ym.163.com2015-06-19 → 2026-07-27 · 2 obs
● 2026-07-27 05:08:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net... | - |
| cogchina.com | ns15.xincache.com, ns16.xincache.com | 12 records |
✅ Authoritative Response
Server:1.12.0.4
NS records: ns15.xincache.com, ns16.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cogchina.com (unsigned zone)
⏱️ Timing
Total: 1207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns16.xincache.com, ns15.xincache.com |
| MX | 1 | mx.ym.163.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com~all |
| SOA | 1 | ns15.xincache.com enterprise1dnsadmin.dn |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns15.xincache.com, ns15.xincache.com, ns15.xincache.com...)
Analysis
Name Servers
cogchina.com is served by two delegated name servers, ns15.xincache.com and ns16.xincache.com.
cogchina.com uses the same name servers as several other domains — among them muodou.com, fareast-mold.com, 81919.net and two more.
There is at least partial name server overlap between cogchina.com and other domains — benzotrialole.net, hljzy.org.cn, zgsun.cn and two more among them.
These name servers frequently co-occur with the name servers ns11.xincache.com and ns12.xincache.com.
Hostnames that resolve to 8 IP addresses:
ns15.xincache.com carries IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, with 5 other addresses beyond those.
Hostnames that resolve to 7 IP addresses:
ns16.xincache.com carries IP addresses 1.12.0.1, 36.155.149.176 and 112.80.181.111, with 4 other addresses beyond those.
Mail Servers
Mail for cogchina.com is handled by a single mail server, mx.ym.163.com.
cogchina.com uses an identical mail server configuration to several other domains — among them qiheren.com, j-net.com.cn, dgaic.com.cn and two more.
cogchina.com has at least partial mail server overlap with other domains such as wrmjk.com, fdlmy.com, zcm-cn.com and two more.
These mail servers are routinely seen in conjunction with the mail servers mxn.mxhichina.com and mxw.mxhichina.com.
There is one IP number for mx.ym.163.com: 111.124.200.35.